Johnson County, WY Weather Forecast
County weather hub
Sunny
Compare major city weather across Johnson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 71. South southwest wind 15 to 22 mph, with gusts as high as 30 mph.
County Weather Overview
This county weather page brings together forecast coverage for Johnson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Johnson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 16 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 12:53 PM MDT
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson County
Saturday looks like the warmest upcoming period in Johnson County at 76 degrees F.
Friday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Friday at about 15 to 22 mph SSW.
The forecast from Oct 16 through Oct 19 stays mostly dry.
Forecast Details
- Last updated
- Oct 13, 2026 12:53 PM MDT
- Coverage
- 5 days
- Time zone
- America/Denver
- Forecast office
- RIW
- Radar station
- KRIW
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 43.
Sunny, with a high near 76.
Mostly clear, with a low around 44.
Sunny, with a high near 70.
Mostly clear, with a low around 44.
Sunny, with a high near 74.
Mostly clear, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Sunny
|
71°F |
15 to 22 mph
SSW
|
|
Friday Night
Oct 16
|
Clear
|
43°F |
14 mph
SW
|
|
Saturday
Oct 17
|
Sunny
|
76°F |
6 to 12 mph
SW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
44°F |
7 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
70°F |
6 to 9 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
44°F |
8 mph
SW
|
|
Monday
Oct 19
|
Sunny
|
74°F |
9 to 14 mph
SSW
|
|
Monday Night
Oct 19
|
Mostly Clear
|
47°F |
12 to 15 mph
SSW
|
Major City Forecasts
Live forecast snapshots for major cities across Johnson County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Johnson County.
Largest mapped city population in this region: 4,659.